Index: wflow-py/wflow/wflow_lib.py
===================================================================
diff -u -r6f6f2b34c39e80003a2a51dfb65e0508c6ad93ba -ra8927febfc0e3f567b5f5dddff0cb6ef139ad8e7
--- wflow-py/wflow/wflow_lib.py	(.../wflow_lib.py)	(revision 6f6f2b34c39e80003a2a51dfb65e0508c6ad93ba)
+++ wflow-py/wflow/wflow_lib.py	(.../wflow_lib.py)	(revision a8927febfc0e3f567b5f5dddff0cb6ef139ad8e7)
@@ -257,10 +257,11 @@
         - ysize - size of a cell in y direction
         - cols - number of columns
         - rows - number of rows
-        - xlr
-        - ylr
+        - xlr -  x lower right centre
+        - ylr -  y lower right centre
     """
-    
+    # This is the default, but add for safety...
+    setglobaloption("coorcentre")
     # x and Y are the same for now
     xy = pcr2numpy(celllength(),numpy.nan)[0,0]
     xu = pcr2numpy(xcoordinate(1),numpy.nan)[0,0]